<template>
  <div class="pay-main">
    <div class="pay-container">
      <div class="checkout-tit">
        <h4 class="tit-txt">
          <span class="success-icon"></span>
          <span class="success-info">订单提交成功，请您及时付款，以便尽快为您发货~~</span>
        </h4>
        <div class="paymark">
          <span class="fl">请您在提交订单<em class="orange time">4小时</em>之内完成支付，超时订单会自动取消。订单号：<em>{{$route.query.orderId}}</em></span>
          <span class="fr"><em class="lead">应付金额：</em><em class="orange money">￥17,654</em></span>
        </div>
      </div>
      <div class="checkout-info">
        <h4>重要说明：</h4>
        <ol>
          <li>尚品汇商城支付平台目前支持<span class="zfb">支付宝</span>支付方式。</li>
          <li>其它支付渠道正在调试中，敬请期待。</li>
          <li>为了保证您的购物支付流程顺利完成，请保存以下支付宝信息。</li>
        </ol>
        <h4>支付宝账户信息：（很重要，<span class="save">请保存！！！</span>）</h4>
        <ul>
          <li>支付帐号：11111111</li>
          <li>密码：111111</li>
          <li>支付密码：111111</li>
        </ul>
      </div>
      <div class="checkout-steps">
        <div class="step-tit">
          <h5>支付平台</h5>
        </div>
        <div class="step-cont">
          <ul class="payType">
            <li><img src="./images/pay2.jpg"></li>
            <li><img src="./images/pay3.jpg"></li>
          </ul>

        </div>
        <div class="hr"></div>

        <div class="payshipInfo">
          <div class="step-tit">
            <h5>支付网银</h5>
          </div>
          <div class="step-cont">
            <ul class="payType">
              <li><img src="./images/pay10.jpg"></li>
              <li><img src="./images/pay11.jpg"></li>
              <li><img src="./images/pay12.jpg"></li>
              <li><img src="./images/pay13.jpg"></li>
              <li><img src="./images/pay14.jpg"></li>
              <li><img src="./images/pay15.jpg"></li>
              <li><img src="./images/pay16.jpg"></li>
              <li><img src="./images/pay17.jpg"></li>
              <li><img src="./images/pay18.jpg"></li>
              <li><img src="./images/pay19.jpg"></li>
              <li><img src="./images/pay20.jpg"></li>
              <li><img src="./images/pay21.jpg"></li>
              <li><img src="./images/pay22.jpg"></li>

            </ul>
          </div>

        </div>
        <div class="hr"></div>

        <div class="submit">
          <!-- <router-link class="btn" to="/paysuccess">立即支付</router-link> -->
          <a href="javascript:;" class="btn" @click="showPayDialog">立即支付</a>
        </div>
        <div class="otherpay">
          <div class="step-tit">
            <h5>其他支付方式</h5>
          </div>
          <div class="step-cont">
            <span><a href="weixinpay.html" target="_blank">微信支付</a></span>
            <span>中国银联</span>
          </div>
        </div>
      </div>
    </div>

    <!-- 弹出支付对话框 -->
    <!-- <Dialog :visible="visible" :aaa:visible="visible=$event"> -->
    <Dialog :visible.sync="visible">
      <template v-slot:header>
        <span>请扫描二维码进行支付</span>
      </template>
      <template>
        <p>
          <img :src="imgUrl" alt="">
        </p>
      </template>
      <template v-slot:footer>
        <div class="btn-footer">
          <button class="btn" @click="payError">支付遇到问题</button>
          <button class="btn btn-success">支付已经完成</button>
        </div>
      </template>
    </Dialog>
  </div>
</template>

<script>
import QRCode from 'qrcode';
import { reqGetPayQRcode, reqQueryPayStatus } from '@/api';
export default {
  name: 'Pay',
  data() {
    return {
      visible: false,
      imgUrl: '',
      timeId:0
    };
  },
  watch: {
    visible(newValue) { 
      if (!newValue) { 
        // 也要清除定器  因为可能是主动关闭了支付对话框
        clearInterval(this.timeId)
      }
    }
  },
  methods: {
    // 1. 获取支付链接 并生成二维码
    async showPayDialog() {
      // 1.1 调用支付接口发送请求
      const res = await reqGetPayQRcode(this.$route.query.orderId);
      // console.log('qr',res)
      // 1.2 判断请求是否成功
      if (res.code === 200) {
        // 1.3 弹出对话框
        this.visible = true;

        // 同时要根据支付链接 生成支付二维码
        QRCode.toDataURL(res.data.codeUrl)
          .then(imgUrl => {
            // console.log('uu',url)
            // 1.4 生成支付二维码
            this.imgUrl = imgUrl

            // 1.5 轮询 支付是否成功 也就是每间隔一段时间查询一次服务器 支付是否成功
          this.timeId = setInterval(async () => {
              const result = await reqQueryPayStatus(this.$route.query.orderId)
              // console.log('rr',result)
              if (result.code === 200) { 
                // 1.6 要清除定时器
                clearInterval(this.timeId)

                // 1.7 关闭对话框
                this.visible = false

                // 1.8 跳转到下一个页面
                this.$router.push('/paySuccess')

              }
            }, 2000);
          })
          .catch(err => {
            console.error(err);
          });
      }
    },
    // 2. 支付遇到问题
    payError() { 
      // 2.1 关闭对话框 
      this.visible = false 
      // 2.2 也要清除定时器
      clearInterval(this.timeId)
    }
  },
  beforeDestroy() { 
    // 组件销毁之前 也就是从当前组件直接跳转到其它组件的时候，也要清除定时器
    clearInterval(this.timeId)
  }
};
</script>

<style lang="less" scoped>
.pay-main {
  margin-bottom: 20px;

  .pay-container {
    margin: 0 auto;
    width: 1200px;

    a:hover {
      color: #4cb9fc;
    }

    .orange {
      color: #e1251b;
    }

    .money {
      font-size: 18px;
    }

    .zfb {
      color: #e1251b;
      font-weight: 700;
    }

    .checkout-tit {
      padding: 10px;

      .tit-txt {
        font-size: 14px;
        line-height: 21px;

        .success-icon {
          width: 30px;
          height: 30px;
          display: inline-block;
          background: url(./images/icon.png) no-repeat 0 0;
        }

        .success-info {
          padding: 0 8px;
          line-height: 30px;
          vertical-align: top;
        }
      }

      .paymark {
        overflow: hidden;
        line-height: 26px;
        text-indent: 38px;

        .fl {
          float: left;
        }

        .fr {
          float: right;

          .lead {
            margin-bottom: 18px;
            font-size: 15px;
            font-weight: 400;
            line-height: 22.5px;
          }
        }
      }
    }

    .checkout-info {
      padding-left: 25px;
      padding-bottom: 15px;
      margin-bottom: 10px;
      border: 2px solid #e1251b;

      h4 {
        margin: 9px 0;
        font-size: 14px;
        line-height: 21px;
        color: #e1251b;
      }

      ol {
        padding-left: 25px;
        list-style-type: decimal;
        line-height: 24px;
        font-size: 14px;
      }

      ul {
        padding-left: 25px;
        list-style-type: disc;
        line-height: 24px;
        font-size: 14px;
      }
    }

    .checkout-steps {
      border: 1px solid #ddd;
      padding: 25px;

      .hr {
        height: 1px;
        background-color: #ddd;
      }

      .step-tit {
        line-height: 36px;
        margin: 15px 0;
      }

      .step-cont {
        margin: 0 10px 12px 20px;

        ul {
          font-size: 0;

          li {
            margin: 2px;
            display: inline-block;
            padding: 5px 20px;
            border: 1px solid #ddd;
            cursor: pointer;
            line-height: 18px;
          }
        }
      }
    }

    .submit {
      text-align: center;

      .btn {
        display: inline-block;
        padding: 15px 45px;
        margin: 15px 0 10px;
        font: 18px '微软雅黑';
        font-weight: 700;
        border-radius: 0;
        background-color: #e1251b;
        border: 1px solid #e1251b;
        color: #fff;
        text-align: center;
        vertical-align: middle;
        cursor: pointer;
        user-select: none;
        text-decoration: none;
      }
    }
  }
}

.btn-footer {
  position: absolute;
  bottom: 20px;
  left: 15%;
  .btn {
    width: 130px;
    // height: 20px;
    font-size: 16px;
    padding: 6px;
    margin-left: 10px;
    cursor: pointer;
    &.btn-success {
      background-color: #584db9;
      color: #fff;
    }
  }
}
</style>